Sony TA-N55ES Manual de usuario

SERI|ICE

MANUAL USModel

Canadian

Model

AEP Model

UK Model

SPECIFICATIONS

AUDIO

POWER

SPECIFICATIONS

POWER

OUTPUT

AND

TOTAL

HARMONIC

DISTORTION:

With

4ohm

loads,

bothchannels

driven,

from

-20,000

Hz;

rated150watts

per

channel

minimum

RMS

power,

withno

morethan0.01

%total

harmonicdistotlion

from250

milliwatts

toratedoutput.

With

8ohm

loads,bothchannels

driven,

from

-2A,000

Hz:raied

110watts

per

channel

minimum

RMS

power,

withnomorethan0.05

%total

harmonic

distortion

from

250miliwatts

toratedoutput.

- continued

on nextpage

?STEREO

POIIJER

AMPLITIER

Item Condltlon Modelexcepl

lor North

Europe

Modelfor

NorthEurope

Continuous

RMS

power

output(both

cnannets

driven

simultaneously)

4ohms

20Hz- 20kH.z,

THD0.01

150W+150W

(DrN:

'160W+160W

6ohms

20Hz- 20kHz,

THD0.03%

125,W+125

(otl.t,

135W+135W]

100W+

100W

(DrN:

120W+120W

8ohms

20Hz- 20kllz

THD

0.05

110W+110W

(DrN:

120W+120W'

l0W+80W

,DIN:

110W+110W

8 ohms

monaural,

THD0.05

o/.

300

(DlN:

350

12ohms

monaurat,

THD0.05

o/o 200

'DlN:

235

EE==E

rrr I

IMICROFILMI SONY.

Dynamic

power 1ohm

stereo

(monaural) 450W

(-) 150W

2ohms

stereo

(monaural) 400w

(7s0

w) t25W

62s

4ohmsstereo

(monaural) 290W

(680

W) 220W

450W)

I ohmsstereo

(monaural) 150W

(s00

w) 125W

(370

Power

bandwidth

(rHF)

4ohms,THD

0.05% 5Hz-50kHz

at75W

I ohms,

THD

0.05

%5Hz-50kHzat

55W

Dynamic

headroom

('78

rHF)

4ohms 2.8

I ohms 1.8dB

Totalharmonic

distortion 4 ohms,at

wattoutput 0.008%

6 ohms,at 10

watt output 0.006%

I ohms,at

watt

output 0.004'/"

lntermodulation

(lM)

distortion

Hz:7kïz =

4 ohms,

ratedoutput 0.008"/o

6 ohms,at

ratedoutput 0.006%

I ohms,at

rated

output o.oo4"h

Damping

factor I ohms,

1kH: 100

Slew

rate 120V/psec,

250Vipsec

(inside)

Residualnoise networkA Lessthan 90 pV

Frequency

response INPUT 5Hz-200

kHz

lldB 5Hz-100

xHz

lfdB

InputsensitivityINPUT 180

mV,20kohms

S/N

(network)

/ô tnF INPUT 120

(A)

General

System Super

legato

linear,

purecomplementary

SEPP

power

amplifier,

powerfulpower

supply

Powerrequirements

US,Canadionmodel:

120VAC.

AEP,WGmodel:

220VAC,50/60

model:

240

VAC.

PowerconsumDtion

Dimensions

USmodel: 280 watts

Canadianmodel:580

model

: 760

watts

AEPmodel:

190

watts

wGmodel: 310 watts

UKmodel:

Approx.430x 150x 365mm(wihld)

(16

7/,

x 5716x14

3/,

inches)

Except

for UKmodel:

Approx.467x 150x 365mm(w/hid)

(18

3/,

x5?lrx14

3/,

inches)

UKmodel:

Approx.11.2

(24

lb.

oz.),

net

Exceptfor UKmodel:

Approx.12.2k9

(26

lb.14oz.),net

Weight

Suooliedaccesssories

Screws

(8)(except

for

UK model)

Designand

specificationssubjecttochange

withoutnotice

MODELIDENTIFICATION

- Specification

Label

model:

AC120V60Hz

Canadian

model:AC120V60Hz

AEP,

(West

Germany)

model: AC22OY-5O/6OHz

model:AC240V-50/60H2

280W

580VA

SONY" MoDELNo.rA.N'.ES

STEREOPOWERAMPLIFIER

-2-

SERVICING

NOTES

SAFETY-RELATED COMPONENTWARNING!!

coMpoNENTs

TDENTIFIED

By MARK

I on oorreo

L|NE

W|THr,Aenr

I oN THE

SCHEMATTCDTAGRAMS

AND IN THEPARTS

LISTARE

CRITICALTOSAFE

OPERATION. REPLACE

THESE

COMPONENTSWITH

SONY PARTSWHOSEPART NUMBERS

APPEAR

SHOWN

IN THISMANUAL OR IN SUPPLEMENTSPUB.

LISHEDBY SONY.

ATTENTION

AU COMPOSANTAYANT RAPPORT

À la sÉcunrrÉr

LEscoMposANrsrDENTrrrÉs

pan

uruenaenoue

suRLEs

DTAGRAMMEs

scxÉuartouEsETLA

LtsrE

oes prÈces

soNT

cntrlouEspouR

le sÉcuntrÉ

DE FONCTIONNEMENT. NE REMPLACER CES COM.

posANTs

ouE pAR

oes ptÈces

soNy DoNTLEs

ruuruÉnos

soNT DoNNÉs

oeus cE MANUEL

DANSLEssuppr-Émeruts

pugulÉs

pAR

soNv.

SAFETY

CHECK.OUT

After correcting the original service

problem,

perform the following safety checkbeforereleasing

the

setto thecustomer:

Checktheantennaterminals,

metaltrim,

'tnetalli'g4"

knobs,screws,

andall other exposed

metalpartsfor

AC leakage.

Check

leakageas

described

below.

LEAKAGE

TEST

The

AC leakage

fromanyexposed

metal

part

earth

ground

and

from

allexposed

metal

parts

any

exposed

metalpart having

a return to chassis,

must

not exceed

0.5mA (500 microampers).

Leakage

current can be measured

by any one of three

methods.

I. A commercialleakage

tester, such as the

Simpson

229 or RCA WT-540A. Follow the

manufacturers'

instructions

to use

these

instru-

ments.

2. A battery-operated

AC milliammeter.

The Data

Precision

245 digital

multimeter

is suitable

for

this

job.

lvteasuring

the voltagedrop across

a resistorby

means

of a VOM or battery-operated

AC volt-

meter. The "limit" indication is 0.?5V, so

analog meters must have an accurate low-

voltage scale. The Simpson 250 and Sanwa

SH-63Trd are examples

of a passive

VOlvlthat

is suitable. Nearly

all battery operated digital

multimeters that have a 2

V AC range are

suitable. (See

Fig.

To Exposed Metat

Parts

on Sea

O.î5

yF AC

wlrmercr

(0.75 V)

ig. A. Using an AC voltmeter to check AC leakage.

? Earth Ground

sEciloN

GENERAL

EPowen

switch

ElspenxeRssetector

Selectsspeaker

systemA,Borboth

(A+B),

For

headphone

monitoringonthe

connected

preamplifier,

settheselector

toOFF.

E pnorecrtoN Indicator

Lightsup

forapproximately

4seconds

immediately

after

turningonthe

unit.

Thisindicatesthat

thebuilt-in

muting

circuit

isactivated.

lnnormaloperating

conditions,

this

does

not

light.

lfit

lightsup

(speaker

sound

isnotheard)while

operating,

anabnormality

hasoccurred.

Inthiscase,

disconnect

the

ACpower

cord

andcheckthe

connected

components

and

speakersystems.

E sreneolndicator

Lightsup

when

OPERATION

issettoSTEREO.

El moHoindlcator

Lightsup

whenOPERATION

issetto

MONO.

ElarreHuAToR

Control

inputsignal

sound

levelfromthe

preamplifier.

Normally,

set

theclick-in

center

position.

TA.N55ES

PRECAUTIONS

Adjust the idling after tuning the unit on for about 10-15

minutes, giving it time to warm uP.

Always make sureto adjust the idling when repairing the

power amp section or when replacing any parts

IIDLING

ADJUSTMENT)

Procedure

Setthe

ATTENUATOR control

lowas

possible

andadjust

RT301

(L-CH)

and

RT35i (R-CH)

sothat the

voltmeter

reads

7mVat TP301

(L-CH)

and

TP351

(R-CH).

AdjustmentLocation

: power

board

sEcTloN

ELECTRICAL

ADJ

USTMENTS

digital

voltmeter

(DC

0.25V

range)

digital

voltmeter

(DC

0.25V

nnge)

TA.N55ES

3.1. CIRCUIT

BOARDSLOCATION

LEDBOARD

AC.SWBOARD

SELECTOR

BOARD

sEcTroN

DIAGRAMS

oSemiconductor

Location

SP.TM BOARD

Ref.

No. Location

D201

D202

D203

D204

D205

D206

D207

D30l

D302

D303

D304

D305

D306

D307

D308

D309

D310

D31I

D3L2

D3t

D3l4

D362

D363

D364

rcl0l

rc102

rcl03

rc301

rc302

Q201

Q202

Q203

Q2O4

Q30l

Q302

Q303

Q304

Q305

Q306

Q35l

Q352

Q353

Q354

Q355

Q356

t.l

t-10

J-l0

J-8

J-7

c-l1

c-l0

E-r

F.1

G.l9

G.l8

c.l8

c-l8

G.l8

G.l9

G.l8

G-l8

H.18

J-l6

t-l

c.l6

c-l6

0.15

t.l

H.l0

H.9

H.8

r-l

r.t

t-l

J.15

H-15

J.r6

D.l5

D.l6

E-I6

c.l5

E-I5

c-I6

D-2

F-2

F.3

H-3

t.1

MAINBOARD

JUMPERBOARD

(A) CLASS

BOARD

Note:

ô o- : parts

extracted

from the componentside

. I : parts

mountedon the conductor side.

-6-

TA.N55ES

RINTED

WIRING

BOARDS

tNrorl s ol

US,

Conodion

MODEL

qEP,wG

\-onc

MODEL

- +81!

UK MODEL' I

{

* Y è1 q. T 'Sr'"*'f' '{

I I .\l 'l Yce I +c.

I'âi

{ d ,l ô"'"'u

'1'

'f'

à '&ri *'"iË':,"

: .$'!J1'" ozo 'l

ç F **.

S:,1

-7-

TA.N55ES

US,Conodion

M0DEL

ÀC

N120V

6QNz

/,AEP,WG

MOOEL

trtl

aFl Àc N 22Av

\A/6AH1

F<-

,t< | oa t 2?0v5o/60Nr

-- \ur uoorL

(AC-SW

BoARDI

-8- l<4+

3.3. SCHEMATICDIAGRAMS

IOI

lrNPUil

iloml

[(A]

CLASSBoARDil/3t

)

Itstrcron

Bffiii

tc30t

il/2)

tc30til/21

-0

-lFl_

c379

c3:

I i.

IExctPT

lwG

liloDEL

l.--r-

r-t----

(AtCLASS

BOARD(IÆ}I

-9-

MAINBOARO

Q30l Q302

2SC3423 25C2275

BIÀ5 DUR]NGTON

Q304

?SC292l

FIilAL AMP

0306

2SA

r049

PROTECTI

R324

il/?w)

-A

)"VER

]FJR!

240\

ËtÉ

PO"VER

TRÂII

SFORI{

tr- -

-ti

L-

(SP.TM

BOARD

(I/3)I

ii-o,l a ou

R308 0t05

411/2W)

0303 0t05

254985 2SAl2l5

DlR NCTON F NALAMP

035

| 0352 0353 0354 Q355

2SC3423

2SC22752SA985 2SCæ2t

2SAt2t5

BIAS DUR

NGTON FINAL AMP

R227 R2æ | R230 R23t -i

îJ%,1,2n'

| ,1t*","'l&,,

ale

Vcc 0N

[,!UTE

l ;'i" r

D305-3t0

,i:À?, t0E2N

RËC1

SELECTORBOARD(I/2II

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